digplanet beta 1: Athena
Share digplanet:

Agriculture

Applied sciences

Arts

Belief

Business

Chronology

Culture

Education

Environment

Geography

Health

History

Humanities

Language

Law

Life

Mathematics

Nature

People

Politics

Science

Society

Technology

Cunningham downhaul

In sailing, a cunningham or cunningham's eye is a type of downhaul used on a Bermuda rigged sailboat to change the shape of a sail. Sailors also often refer to the cunningham as the "smart pig"–a play on words "cunning ham" that can be found in sailing forums.

It is named after its inventor, Briggs Cunningham, a victorious America's Cup skipper and yacht builder.[1]

The cunningham differs from a typical downhaul in the way that it attaches to the sail. The system usually consists of a line which is secured at one end to the mast or boom below the foot of the mainsail. It is then passed through a cringle in the luff of the sail near the foot, but above the tack, and then led down on the other side to a fitting on the mast or boom or on deck.

The tension in the luff of the sail is adjusted using a combination of the halyard and the cunningham (where fitted). The primary advantage of adjusting the cunningham is the speed and ease with which the luff tension can be changed while sailing or racing. By either hauling or easing the line, the tension in the luff can be changed, thereby shifting the point of maximum draft of the sail forward or aft respectively, optimizing sail shape—and therefore—performance. It is a fine control which is used more frequently on racing sailboats than on cruising or day-sailing boats.[2]

References[edit]

  1. ^ Barbara Lloyd (July 5, 2003). "Briggs Cunningham, 96, Racecar Pioneer and Sailing Champ". Obituaries. The New York Times. Retrieved 5 March 2012. 
  2. ^ "Sail shape". U.S. Sailing. Retrieved 15 August 2013. 

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Cunningham_(sailing) — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.

17 news items

Whitsunday Times

Whitsunday Times
Mon, 02 Mar 2015 12:03:45 -0800

DINGHY SAILING: Britain leads rounding the mark in the ISail Whitsundays B14 World Titles in Victoria earlier this year. Photo by Rhenny Cunningham Sailing Shots. Popular Stories. WHO warn 1 billion youth risk deafness by loud music · Our jobs crisis ...
 
Scuttlebutt Sailing News
Sun, 23 Mar 2014 16:31:56 -0700

Forty-seven teams competed in the 2014 Etchells U.S. National Championship on March 21-23, hosted by Coral Reef Yacht Club in Miami, FL. After completing six races over the first two days, Jim Cunningham with crew Jeff Madrigali, Mark Ivey, and Bryn ...

My Sailing

My Sailing
Sun, 04 Jan 2015 14:30:00 -0800

The International 14 class family are gathering in Australia for the 2015 World Championships and Australian Championships. Sixty-nine teams are converging on Geelong for the seven race series being hosted by Royal Geelong Yacht Club on Corio Bay ...

LiveSailDie.com

LiveSailDie.com
Fri, 09 Jan 2015 02:21:47 -0800

A smart recovery from a bad start and good tactics helped keep Britain's Glen Truswell and Sam Pascoe in first place overall after the second race of the 2015 International 14 World Championships, being held at the Royal Geelong Yacht Club. They had a ...

My Sailing

My Sailing
Thu, 15 Jan 2015 00:26:15 -0800

Britain's Glen Truswell and Sam Pascoe have locked in the 2015 International 14 World Championship title with a day to spare after another superb display of confident racing on Geelong's Corio Bay. Not satisfied with finishing with a safe fifth place ...

My Sailing

My Sailing
Tue, 13 Jan 2015 21:48:45 -0800

After a gear and crew damaging Race 5 yesterday, today's lay day is a welcome reprieve for the sailors competing in the 2015 International 14 World Championships in Geelong. It is also opportune as the strong wind warning threatens a 25-plus south ...

My Sailing

My Sailing
Wed, 07 Jan 2015 06:26:15 -0800

It was a slow start to the official practice race day prior to the first day of the fleet racing in International 14s World Championship being hosted by Royal Geelong Yacht Club. As the breeze swung and changed pressure and clouds rolled in, Principle ...
 
Scuttlebutt Sailing News
Mon, 09 Dec 2013 17:05:32 -0800

Jim Cunningham, sailing with Jeff Madrigali, Mark Ivy and Bryn Bachman took their third straight second place finish, in what had now become a two boat regatta. Phil Lotz on his boat, Arethusa, took third. In the last race it all came down to ...
Loading

Oops, we seem to be having trouble contacting Twitter

Support Wikipedia

A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia. Please add your support for Wikipedia!

Searchlight Group

Digplanet also receives support from Searchlight Group. Visit Searchlight